UPSC MainsZOOLOGY-PAPER-I202410 Marks150 Words
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Q19.

Red Data Book

How to Approach

This question requires a descriptive answer focusing on the Red Data Book. The approach should involve defining the Red Data Book, explaining its purpose, detailing the categories used for listing species, the organizations involved in its maintenance, and its significance in conservation efforts. A structured answer covering these aspects within the word limit will be ideal. Mentioning examples of species listed in the Red Data Book will add value.

Model Answer

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Introduction

The Red Data Book, a critical component of biodiversity conservation, serves as a comprehensive inventory of the global conservation status of plant and animal species. First published in 1966 by the International Union for Conservation of Nature (IUCN), it provides information on the risk of extinction faced by various species. It’s not a single physical book anymore, but a continuously updated online database. The Red List, as it’s commonly known, is a vital tool for prioritizing conservation actions and raising awareness about the threats to biodiversity. Understanding its structure and function is crucial for effective wildlife management and ecological preservation.

What is the Red Data Book?

The Red Data Book (or IUCN Red List) is a catalogue of species of animals and plants that are facing a high risk of extinction. It provides detailed information about the population size, geographic distribution, habitat, threats, and conservation status of each species. The primary goal is to identify and document species at risk, thereby informing conservation decisions.

Categories of Threat

Species are categorized based on their risk of extinction, using a standardized system. The IUCN Red List categories are:

  • Extinct (EX): No known living individuals exist.
  • Extinct in the Wild (EW): Known only to survive in captivity or cultivation.
  • Critically Endangered (CR): Facing an extremely high risk of extinction in the wild.
  • Endangered (EN): Facing a very high risk of extinction in the wild.
  • Vulnerable (VU): Facing a high risk of extinction in the wild.
  • Near Threatened (NT): Likely to become endangered in the near future.
  • Least Concern (LC): Species evaluated with a low risk of extinction.
  • Data Deficient (DD): Insufficient information to assess the risk of extinction.
  • Not Evaluated (NE): Has not yet been assessed by the IUCN.

Organizations Involved

The IUCN is the primary organization responsible for maintaining the Red List. However, it collaborates with numerous partner organizations, including:

  • Species Survival Commission (SSC): A network of experts who assess the conservation status of species.
  • Government agencies: Providing data and supporting conservation efforts.
  • Research institutions: Conducting research on species and their habitats.
  • Conservation NGOs: Implementing conservation projects on the ground.

Significance and Applications

The Red Data Book has several important applications:

  • Conservation Prioritization: Helps prioritize conservation efforts by identifying species most at risk.
  • Policy Development: Informs the development of conservation policies and legislation.
  • Resource Allocation: Guides the allocation of conservation funding and resources.
  • Awareness Raising: Raises public awareness about the importance of biodiversity conservation.
  • Monitoring Effectiveness: Allows for monitoring the effectiveness of conservation interventions.

Examples of Species Listed

Several iconic species are listed on the IUCN Red List. Examples include:

  • Amur Leopard (CR): Fewer than 100 individuals remain in the wild.
  • Black Rhino (CR): Poaching has severely reduced its population.
  • Orangutans (CR/EN): Threatened by habitat loss due to deforestation.
  • Snow Leopard (VU): Facing threats from poaching and habitat degradation.
Species IUCN Red List Category (2023) Major Threat
Bengal Tiger Endangered (EN) Poaching, Habitat Loss
African Elephant Endangered (EN) Poaching, Habitat Loss
Giant Panda Vulnerable (VU) Habitat Loss

Conclusion

The Red Data Book, or IUCN Red List, is an indispensable tool for biodiversity conservation, providing a scientifically rigorous assessment of the extinction risk faced by species worldwide. Its continued maintenance and expansion are crucial for informing effective conservation strategies and ensuring the long-term survival of threatened species. Strengthening international collaboration and addressing the underlying drivers of biodiversity loss, such as habitat destruction and climate change, are essential for improving the conservation status of species listed in the Red Data Book.

Answer Length

This is a comprehensive model answer for learning purposes and may exceed the word limit. In the exam, always adhere to the prescribed word count.

Additional Resources

Key Definitions

Biodiversity Hotspot
A biodiversity hotspot is a biogeographic region with significant levels of biodiversity that is threatened with destruction.
Endemic Species
A species that is found only in one specific geographic location.

Key Statistics

As of 2023, the IUCN Red List assesses over 157,199 species, of which over 42,100 are threatened with extinction.

Source: IUCN Red List website (https://www.iucnredlist.org/)

Approximately 28% of all assessed species are currently threatened with extinction (as of July 2023).

Source: IUCN Red List Summary Statistics (https://www.iucnredlist.org/resources/summary-statistics)

Examples

California Condor Recovery

The California Condor was listed as Critically Endangered and nearly extinct in the 1980s. A captive breeding program and reintroduction efforts have helped increase the population, though it remains vulnerable.

Frequently Asked Questions

What is the difference between IUCN Red List and Red Data Book?

The Red Data Book was the original publication. The IUCN Red List is now the continuously updated online database that has largely replaced the physical book.

Topics Covered

BiologyEcologyConservation BiologyBiodiversityEndangered Species